cnn poll has it at four. clearly, still a lot of work for romney. let's keep going. virginia, we saw polls before the first presidential debate starting to stretch outside the margin. back to a dead heat. that's nbc news "wall street journal" mars poll and down to florida and here's another one. it started to open up a handful. there is no question, no question, the race changed after the the first presidential debate. romney got a bounce. but when you get a bounce, the challenge is to sustain it. that's the big challenge. can paul ryan keep the republican momentum? >> so, it's narrowed in these battleground state, but is there any indication that first debate created new battleground states? >> some evidence. i'm a bit skeptical. but one state where the numbers changed, mitt romney's birth state of michigan. his dad was governor there. our cnn poll had it close to ten points. looked like no way the republicans could put that into play. three points. so that's within the margin of error. that sheds michigan back into play. do the democrats now think we have to spend